Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Miami, FL

August 14, 2014Broward County, Florida

NWS Miami, FL issued this special weather statement at Aug 14, 2014, 5:21 PM EDT for Broward County, Florida. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 14, 2014, 5:21 PM EDT (21:21 UTC)
Expired: Aug 14, 2014, 6:00 PM EDT
In force: 39 min
Issued by: NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 34 km from the middle of the area, began a volume at 21:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 9.4 hours before the alert went out and 8 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1882 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 911 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Aug 14, 3:14 PM EDT, 2 hours 7 minutes earlier.

Area forecast discussion, Aug 14, 3:14 PM EDT, 2 hours 7 minutes before

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Hazardous weather outlook, Aug 14, 8:47 AM EDT, 8 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
847 AM EDT THU AUG 14 2014

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
150100-
LAKE OKEECHOBEE-BISCAYNE BAY-
COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM-
COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM-
WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM
TO THE TERRITORIAL WATERS OF THE BAHAMAS-GLADES-HENDRY-
INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER-
INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE-
MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD-
COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE-
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM-
COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM-
GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM
20 TO 60 NM-
847 AM EDT THU AUG 14 2014

...NUMEROUS THUNDERSTORMS WITH LOCALIZED FLOODING POSSIBLE...
...SLIGHT CHANCE OF WATERSPOUTS GULF AND ATLANTIC WATERS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS: NUMEROUS THUNDERSTORMS WILL BE POSSIBLE
TODAY...MAINLY THROUGH THE AFTERNOON AND EVENING HOURS ACROSS THE
INTERIOR AND EAST COAST AREAS. THE MAIN THREATS WILL BE
FREQUENT LIGHTNING STRIKES, GUSTY WINDS, AND LOCALLY HEAVY RAIN.

WIND: A FEW THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS
UP TO 50 MPH.

FLOODING: LOCALIZED FLOODING WILL BE POSSIBLE THROUGH THE
AFTERNOON AND EARLY EVENING HOURS.

WATERSPOUTS: THERE IS A SLIGHT CHANCE OF WATERSPOUTS ACROSS THE GULF
AND ATLANTIC WATERS TODAY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED TO NUMEROUS THUNDERSTORMS WILL REMAIN IN THE FORECAST
FRIDAY...ESPECIALLY OVER THE INTERIOR AND EAST COAST AREAS.
FREQUENT LIGHTNING, GUSTY WINDS AND HEAVY RAINFALL WILL BE
POSSIBLE WITH THIS ACTIVITY FRIDAY. SOME DRIER AIR WILL BE
EXPECTED SATURDAY AND SUNDAY...WHICH SHOULD LIMIT THE
THUNDERSTORM COVERAGE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

In the hours before

Local storm report, Aug 14, 3:05 PM EDT, 2 hours 16 minutes before

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Special weather statement, Aug 14, 3:06 PM EDT, 2 hours 15 minutes before

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Local storm report, Aug 14, 3:19 PM EDT, 2 hours 2 minutes before

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Special weather statement, Aug 14, 3:52 PM EDT, 1 hour 29 minutes before

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Special weather statement, Aug 14, 4:32 PM EDT, 49 minutes before

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Special weather statement, Aug 14, 5:21 PM EDT, 0 minutes before

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The office that day

Everything else NWS Miami, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 14, 1:05 PM EDT	Special Weather Statement	MFL	Palm Beach	25 min
Aug 14, 1:47 PM EDT	Special Weather Statement	MFL	Collier	28 min
Aug 14, 2:00 PM EDT	Special Marine Warning	MFL		45 min
Aug 14, 2:27 PM EDT	Special Marine Warning	MFL		63 min
Aug 14, 2:47 PM EDT	Special Weather Statement	MFL	Martin	43 min
Aug 14, 3:02 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	17 min
Aug 14, 3:04 PM EDT	Special Marine Warning	MFL		41 min
Aug 14, 3:06 PM EDT	Special Weather Statement	MFL	Broward	39 min
Aug 14, 3:46 PM EDT	Special Marine Warning	MFL		29 min
Aug 14, 3:52 PM EDT	Special Weather Statement	MFL	Broward	38 min
Aug 14, 4:24 PM EDT	Special Marine Warning	MFL		36 min
Aug 14, 4:32 PM EDT	Special Weather Statement	MFL	Miami-Dade	43 min
Aug 14, 4:58 PM EDT	Special Marine Warning	MFL		92 min
Aug 14, 5:28 PM EDT	Special Weather Statement	MFL	Palm Beach	47 min
Aug 14, 6:24 PM EDT	Special Weather Statement	MFL	Miami-Dade	36 min
Aug 14, 6:45 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Aug 14, 6:51 PM EDT	Special Weather Statement	MFL	Broward	39 min
Aug 14, 7:14 PM EDT	Special Weather Statement	MFL	Miami-Dade	31 min

Nearby

Special Weather Statements in Florida, 2014 Every special weather statement in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.